28053082775528 has 16 divisors (see below), whose sum is σ = 52599586467780. Its totient is φ = 14026526384128.

The previous prime is 28053082775521. The next prime is 28053082775537. The reversal of 28053082775528 is 82557728035082.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21943771998724 + 6109310776804 = 4684418^2 + 2471702^2 .

It is not an unprimeable number, because it can be changed into a prime (28053082775521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13186826 + ... + 15165702.

Almost surely, 2^{28053082775528} is an apocalyptic number.

It is an amenable number.

28053082775528 is a deficient number, since it is larger than the sum of its proper divisors (24546503692252).

28053082775528 is a wasteful number, since it uses less digits than its factorization.

28053082775528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750916 (or 3750912 counting only the distinct ones).

The product of its (nonzero) digits is 75264000, while the sum is 62.

The spelling of 28053082775528 in words is "twenty-eight trillion, fifty-three billion, eighty-two million, seven hundred seventy-five thousand, five hundred twenty-eight".